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http: fix error handling in the fallback read/write path

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This commit is contained in:
Justin Maggard 2014-04-18 15:46:00 -07:00
parent e2cebb68e1
commit 08c21f39d1
1 changed files with 8 additions and 4 deletions
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12
upnphttp.c
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@ -1284,21 +1284,25 @@ send_file(struct upnphttp * h, int sendfd, off_t offset, off_t end_offset)
/* Fall back to regular I/O */
if( !buf )
buf = malloc(MIN_BUFFER_SIZE);
send_size = ( ((end_offset - offset) < MIN_BUFFER_SIZE) ? (end_offset - offset + 1) : MIN_BUFFER_SIZE);
send_size = (((end_offset - offset) < MIN_BUFFER_SIZE) ? (end_offset - offset + 1) : MIN_BUFFER_SIZE);
lseek(sendfd, offset, SEEK_SET);
ret = read(sendfd, buf, send_size);
if( ret == -1 ) {
DPRINTF(E_DEBUG, L_HTTP, "read error :: error no. %d [%s]\n", errno, strerror(errno));
if( errno != EAGAIN )
if( errno == EAGAIN )
continue;
else
break;
}
ret = write(h->socket, buf, ret);
if( ret == -1 ) {
DPRINTF(E_DEBUG, L_HTTP, "write error :: error no. %d [%s]\n", errno, strerror(errno));
if( errno != EAGAIN )
if( errno == EAGAIN )
continue;
else
break;
}
offset+=ret;
offset += ret;
}
free(buf);
}